'use strict';
const path = require('path');
const host = require('./build/get-ip') || 'localhost';
const defaultSettings = require('./src/settings.js');
const name = defaultSettings.systemName || 'vue Admin';
const port = process.env.port || process.env.npm_config_port || 8080;
const resolve = (dir) => path.join(__dirname, dir);

module.exports = {
  publicPath: './',
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: false,
  productionSourceMap: false,
  devServer: {
    port,
    host,
    open: true,
    https: false,
    overlay: {
      warnings: false,
      errors: true
    },
    proxy: {
      '/nbjk-yhzx': {
        target: 'http://',
        changeOrigin: true
      }
    }
  },
  configureWebpack: {
    name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    },
    module: {
      rules: [
        {
          test: /\.(xls|xlsx)(\?.*)?$/,
          use: [
            {
              loader: 'url-loader',
              options: {
                name: 'static/[name].[hash:8].[ext]'
              }
            }
          ]
        }
      ]
    }
  },
  chainWebpack(config) {
    config.plugin('html').tap((args) => {
      args[0].minify = {
        removeComments: false,
        collapseWhitespace: false,
        removeAttributeQuotes: false
      };
      args[0].hash = true;
      args[0].inject = 'body';
      args[0].PACK_TIME = `${new Date()}`; // 设置打包时间
      return args;
    });
    config.plugin('preload').tap(() => [
      {
        rel: 'preload',
        fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
        include: 'initial'
      }
    ]);
    config.plugins.delete('prefetch');
    config.module.rule('svg').exclude.add(resolve('src/icons')).end();
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end();

    config.when(process.env.NODE_ENV !== 'development', (config) => {
      config
        .plugin('ScriptExtHtmlWebpackPlugin')
        .after('html')
        .use('script-ext-html-webpack-plugin', [
          {
            // `runtime` must same as runtimeChunk name. default is `runtime`
            inline: /runtime\..*\.js$/
          }
        ])
        .end();
      config.optimization.splitChunks({
        chunks: 'all',
        cacheGroups: {
          libs: {
            name: 'chunk-libs',
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            chunks: 'initial' // only package third parties that are initially dependent
          },
          elementUI: {
            name: 'chunk-elementUI', // split elementUI into a single package
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
          },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true
          }
        }
      });
      config.optimization.runtimeChunk('single');
    });
  }
};
